(3JWhQ GdZRd Hjf GdLGgdjI hGdGSdGe ef GeQi GdbjS Gdi GHf GHi QHjYI (B/ s - (3TcQi ajUds ([S.N] : (3OGQ GdYde ddedGjjf , s, 1986)
Keywords: (3GdTYQ GdYQHis; (3GdGOH GdYQHis; (3GdYUQ GdLGgdis; (3GdTYQ GdZRdis; (3JGQjN hfbOs